18409818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{438329}}^1$

素因数の和:438341

約数の個数: 16

約数和(自身を含む): 42079680

約数和(自身を除く): 23669862

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 438329, 876658, 1314987, 2629974, 3068303, 6136606, 9204909, 18409818]

約数ペア:

[(1, 18409818), (2, 9204909), (3, 6136606), (6, 3068303), (7, 2629974), (14, 1314987), (21, 876658), (42, 438329)]